(noun) The amount of effort one has to put forth while taking a dump. The more constipated, the higher the squeeze factor.

Joe (after coming out of the bathroom): "Yo brozay, what's on tv?"
Bill: "Yo, you just missed two shows. Wtf were you doing in there anyway. Are you ok?"
Joe: "Yeah, man. I'm a little uh....how shall we say, backed up. There was a high squeeze factor involved in that dump."